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The device was not returned for analysis.Production record and corrective and preventative actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a query of the complaint handling database for the reported lot revealed there is no indication of a lot specific issue.Based on the reported information, the investigation determined that a definitive cause for the reported defective device could not be determined; however, potential factors that could contribute to a defective device include, but are not limited to, poor visibility/radiopacity, incorrect size selection, inaccurate stent placement or stent uniformity.Based on the information provided and without the device to examine, a definitive cause for the reported defective device cannot be determined.There is no indication of a product quality issue with respect to manufacture, design, or labeling; therefore, no product-related corrective action will be implemented in this case.
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